本帖最后由 leajon_first 于 2012-11-19 17:10:47 编辑 [swing]需要实现的效果是这样的:当右键单击被选中行时会有个JPopupMenu弹出。右键单击没有选中的行不会弹出。。
监听双击的demo在二楼,谁帮我改改,非常感谢!
------最佳解决方案--------------------------------------------------------
帮你改了一下,应该是你要的效果了
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingUtilities;
import javax.swing.table.DefaultTableModel;
public class JTableDemo extends JFrame {
private static final long serialVersionUID = 1L;
private JTable tbl;
private DefaultTableModel tm;
private JPopupMenu[] pms = new JPopupMenu[2];
public JTableDemo() {
String[][] data = { { "R1C1", "R1C2" }, { "R2C1", "R2C2" } };
String[] title = { "Column1", "Column2" };
tm = new DefaultTableModel(data, title) {
private static final long serialVersionUID = 1L;
@Override
public boolean isCellEditable(int row, int column) {
return false;
}
};
tbl = new JTable(tm);
tbl.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
int sr;
// if ((sr = tbl.getSelectedRow()) == -1) {
// return;
// }
if (e.getButton() == MouseEvent.BUTTON3) {
pms[tbl.rowAtPoint(e.getPoint())].show(tbl, e.getX(), e.getY());
}
}
});
JScrollPane jsp = new JScrollPane();
jsp.setViewportView(tbl);
JPanel pan = new JPanel();
pan.setOpaque(true);
this.setContentPane(pan);
pan.setLayout(new BorderLayout());
pan.add(jsp, BorderLayout.CENTER);
JPopupMenu pm = new JPopupMenu();
pm.add(new JMenuItem("Row1"));
pms[0] = pm;
pm = new JPopupMenu();
pm.add(new JMenuItem("Row2"));
pms[1] = pm;
}
private static void createAndShowGui() {
JTableDemo td = new JTableDemo();
td.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
td.setMinimumSize(new Dimension(500, 400));
td.setLocationRelativeTo(null);
td.setVisible(true);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
createAndShowGui();
}
});
}
}
------其他解决方案--------------------------------------------------------
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingUtilities;